Tests: Kill the whole testing database after all tests

nose allows setup and teardown functions at the package
level. So use this to drop the complete database after all
tests have finished.

mediagoblin/tests/__init__.py

@@ -13,3 +13,14 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from .. import globals
+
+
+def setup_package():
+    pass
+
+def teardown_package():
+    print "Killing db ..."
+    globals.db_connection.drop_database(globals.database.name)
+    print "... done"